1012222312320 has 256 divisors, whose sum is σ = 3418267003200. Its totient is φ = 253897998336.

The previous prime is 1012222312313. The next prime is 1012222312327. The reversal of 1012222312320 is 232132222101.

It is an interprime number because it is at equal distance from previous prime (1012222312313) and next prime (1012222312327).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012222312327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61648752 + ... + 61665168.

Almost surely, 2^{1012222312320} is an apocalyptic number.

1012222312320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1012222312320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1709133501600).

1012222312320 is an abundant number, since it is smaller than the sum of its proper divisors (2406044690880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1012222312320 is a wasteful number, since it uses less digits than its factorization.

1012222312320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18345 (or 18333 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 1012222312320 its reverse (232132222101), we get a palindrome (1244354534421).

The spelling of 1012222312320 in words is "one trillion, twelve billion, two hundred twenty-two million, three hundred twelve thousand, three hundred twenty".